Factory Direct · Custom Special Alloy Fasteners
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PRODUCTS

Custom industrial alloy fasteners made to drawing.

HOWIN manufactures non-standard bolts, nuts, studs, threaded rods, screws, washers and machined fastening parts for industrial equipment. Every product is reviewed against a customer drawing, sample or application requirement.

Nickel alloy hex bolts with N06625 material marking

BOLTS

Hex Bolts & Cap Screws

Hex bolts and cap screws are manufactured to customer drawings or samples, with dimensions, thread form, tolerances and marking agreed before production.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements
Special alloy hex nuts with N10276 material marking

NUTS

Hex & Special Nuts

Hex, heavy hex, lock and special nuts are custom-matched to the mating bolt or stud geometry and required alloy grade.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements
Super duplex threaded studs with S32750 material marking

STUDS & RODS

Stud Bolts & Threaded Rods

Fully threaded rods, double-end studs and stud bolt assemblies are custom-configured for flanges and high-integrity joints.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements
Precision special alloy machine screws

SCREWS

Machine Screws

Machine screws are manufactured around the required thread, head form, length, tolerance and alloy grade.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements
Special alloy washers and precision fastening parts

WASHERS

Washers & Specials

Plain, spring and special washers are reviewed as part of the joint and manufactured to the supplied drawing or sample.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements
Custom machined special alloy fasteners

CUSTOM

Custom Fasteners

Custom bolts, nuts, pins and machined fastening parts are reviewed against drawings, tolerances, material and quantity.

  • Specify material grade or UNS designation
  • Include drawing or sample, size, thread and quantity
  • State tolerances, marking, inspection and document requirements